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Posts by Instytut Paleobiologii PAN

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Miniseminar 🙂
27th April 2026, (Wednesday),11:00 a.m., dr hab. Błażej Błażejowski give a seminar: ,,Odizolowane środowiska platformy węglanowej późnej jury.''

3 days ago 2 0 0 0
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Zapraszamy na konferencję prasową! 🐢☺️

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Figure: Shell of one of the described species Ypomonetikochelys euryaspis („a patient turtle with broad shields”) NHMD 1903049 (Natural History Museum of Denmark, University of Copenhagen; exposition at the Geocenter Møns Klint) in dorsal (top) and ventral (bottom) view.

Figure: Shell of one of the described species Ypomonetikochelys euryaspis („a patient turtle with broad shields”) NHMD 1903049 (Natural History Museum of Denmark, University of Copenhagen; exposition at the Geocenter Møns Klint) in dorsal (top) and ventral (bottom) view.

Two new Triassic turtles from Greenland🐢🙂
1drv.ms/b/c/553c4757...
#geologia #paleontologia #paleontology #paleobiologia #paleobiology

2 weeks ago 2 0 0 0
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Miniseminar 🙂
13th April 2026, (Wednesday),11:00 a.m., dr hab. Krzysztof Hryniewicz give a seminar: ,,Coatings on Recent hydrothermal vent gastropods.''

2 weeks ago 1 0 0 0
Map of Denmark with the location of the studied sites and an illustration of an ammonite with explanations of morphological terms

Map of Denmark with the location of the studied sites and an illustration of an ammonite with explanations of morphological terms

Species concept in palaeontology 🙂
Figure: A. Danish localities which yielded studied ammonites of the Pachydiscus neubergicus group. B. Morphology and measurement of a P. neubergicus specimen.
journals.pan.pl/dlibra/publi...
#geologia #paleontologia #paleontology #paleobiologia #paleobiology

3 weeks ago 2 1 0 0
Figure: Fieldwork in fjords of South Georgia.

Figure: Fieldwork in fjords of South Georgia.

Organic carbon burial in fjords of South Georgia 🙂
journals.sagepub.com/doi/10.1177/...
#geologia #paleontologia #paleontology #paleobiologia #paleobiology

4 weeks ago 2 0 0 0
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At the origin of cowries 🐚🙂
doi.org/10.1017/S001...
#geologia #paleontologia #paleontology #paleobiologia #paleobiology

1 month ago 3 2 0 2
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Prof. Dzik i jego wychowankowie przy szkielecie mastodonzaura w Centrum Nauki Kopernik. 😊

1 month ago 2 0 0 0
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Miniseminar 🙂
4th March 2026 r. (Wednesday),11:20 a.m., Dr Kathleen Dollman give a seminar: ,,Advancing Palaeontological Research through Synchrotron X-ray Imaging : Applications, Innovations, and Future Directions.''

1 month ago 1 0 0 0
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Miniseminar 🙂
4th March 2026 r. (Wednesday),11:00 a.m., Prof. Jonah Choiniere give a seminar: ,,A new quarry in the Upper Triassic Lower Elliot Formation provides evidence for Norian faunas in the Main Karoo Basin of southern Africa.''

1 month ago 1 0 0 0
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Antarctic Cretaceous and Paleogene crinoids 🙂
www.sciencedirect.com/science/arti...
#geologia #paleontologia #paleontology #paleobiologia #paleobiology

1 month ago 1 0 0 0
Figure: The horned sea star (left) has a skeleton with a “diamond” microstructure. Using various labeling and imaging techniques (middle panel), a model of stereom growth was proposed (right panel).

Figure: The horned sea star (left) has a skeleton with a “diamond” microstructure. Using various labeling and imaging techniques (middle panel), a model of stereom growth was proposed (right panel).

Morphogenesis of the echinoderm diamond-type stereom 🙂
www.sciencedirect.com/science/arti...
#geologia #paleontologia #paleontology #paleobiologia #paleobiology

1 month ago 1 0 0 0
Rycina: Shell of gastropod Desbruyeresia marisindica from Kairei hydrothermal vents in the Indian Ocean, covered with inorganic coatings (A), with cross section through this shell showing morphology of inorganic coatings (B) and close-up on a fragment showing structure and shell/coating spatial relations (C). Distribution of some elements (oxygen, manganese, calcium, iron, copper, and phosphorus) in a fragment of coating illustrated in (C) is shown in lower two rows.

Rycina: Shell of gastropod Desbruyeresia marisindica from Kairei hydrothermal vents in the Indian Ocean, covered with inorganic coatings (A), with cross section through this shell showing morphology of inorganic coatings (B) and close-up on a fragment showing structure and shell/coating spatial relations (C). Distribution of some elements (oxygen, manganese, calcium, iron, copper, and phosphorus) in a fragment of coating illustrated in (C) is shown in lower two rows.

Coatings on shells from hydrothermal vents 🐚🙂
www.nature.com/articles/s41...
#geologia #paleontologia #paleontology #paleobiologia #paleobiology

3 months ago 3 0 0 0
Figure: A schematic section through shallow seabed showing the effects of methane-derived carbonate cementation. Cements form at or close to the seabed where worm tubes (A) and bivalve shells (B) occur, or in deeper parts of the subsurface where concrections (C) form.

Figure: A schematic section through shallow seabed showing the effects of methane-derived carbonate cementation. Cements form at or close to the seabed where worm tubes (A) and bivalve shells (B) occur, or in deeper parts of the subsurface where concrections (C) form.

Methanogenic carbonates 🙂
www.sciencedirect.com/science/arti...
#geologia #paleontologia #paleontology #paleobiologia #paleobiology

3 months ago 1 0 0 0
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Against all odds, a curious sea creature survived the dino-killing asteroid Coil-shelled mollusks called ammonites staved off extinction for thousands of years

Against all odds, a curious sea creature survived the dino-killing asteroid | Science | AAAS www.science.org/content/arti...

3 months ago 2 0 0 0
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Rycina: Ammonite specimens representing the genera Baculites (a, b, e, f), Fresvillia (c, d), and Hoploscaphites (g) from lower Danian deposits exposed at Stevns Klint, Denmark (see Fig. 3 in Machalski et al. 2025). Prasinophytes belong to the green algae.

Rycina: Ammonite specimens representing the genera Baculites (a, b, e, f), Fresvillia (c, d), and Hoploscaphites (g) from lower Danian deposits exposed at Stevns Klint, Denmark (see Fig. 3 in Machalski et al. 2025). Prasinophytes belong to the green algae.

Ammonites survived cross the Cretaceous–Paleogene boundary 🙂
www.nature.com/articles/s41...
#geologia #paleontologia #paleontology #paleobiologia #paleobiology

3 months ago 3 0 0 0
Figure: Various microstructures of Spirotubus carbonate skeletons under a scanning microscope.

Figure: Various microstructures of Spirotubus carbonate skeletons under a scanning microscope.

Enigmatic microfossils from southern Poland 🙂
www.scup.com/doi/10.18261...
#geologia #paleontologia #paleontology #paleobiologia #paleobiology

3 months ago 4 1 0 0
Figure: Calcispheres (a kind of calcareous microfossils) from Sosnowiec IG-1 core with preserved organic matter. A–B. Volvocacean calcispheres with preserved cells forming a colony; C–D. Radiospherid (spinose) calcispheres with highly mineralized mucous envelopes around single-celled algae. Scale A the same for B and D. The central chamber of the calcisphere is typically between 30 and 50 µm.

Figure: Calcispheres (a kind of calcareous microfossils) from Sosnowiec IG-1 core with preserved organic matter. A–B. Volvocacean calcispheres with preserved cells forming a colony; C–D. Radiospherid (spinose) calcispheres with highly mineralized mucous envelopes around single-celled algae. Scale A the same for B and D. The central chamber of the calcisphere is typically between 30 and 50 µm.

Life in a Devonian marine lagoon 🌊🙂
www.sciencedirect.com/science/arti...
#geologia #paleontologia #paleontology #paleobiologia #paleobiology

3 months ago 1 0 0 0
Figure: Rhizocaulon huberi. The bottom image (C) shows the silicified rhizome physically connected with the pseudostem. The top left image (A) shows a transverse section of the pseudostem, and the top right one (B) its enlargment, showing the anatomy of leaves forming the pseudostem.

Figure: Rhizocaulon huberi. The bottom image (C) shows the silicified rhizome physically connected with the pseudostem. The top left image (A) shows a transverse section of the pseudostem, and the top right one (B) its enlargment, showing the anatomy of leaves forming the pseudostem.

A Miocene sedge from Hungary 🙂
journals.pan.pl/dlibra/publi...

4 months ago 2 0 0 0
Miedary - Trias ukryty pod Śląskiem | Unearthed: Odcinek 2
Miedary - Trias ukryty pod Śląskiem | Unearthed: Odcinek 2 YouTube video by Marcin Ambrozik Paleoart

Miedary - Trias ukryty pod Śląskiem ⛏️🙂
Zapraszamy do obejrzenia materiału dokumentującego wykopaliska prowadzone przez IPal PAN w Miedarach. Stanowisko jednym z najważniejszych odsłonięć środkowego triasu w Europie.
www.youtube.com/watch?v=zA79...

4 months ago 2 1 0 0
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Figure: Probable journey of the erratic boulder by rivers from Thuringia (Frankenwald) to the North Sea, and then to England. Palaeogeographic reconstruction for th Pleistocene epoch. Below the pebble itself, with the graptolite visible on the right-hand side.

Figure: Probable journey of the erratic boulder by rivers from Thuringia (Frankenwald) to the North Sea, and then to England. Palaeogeographic reconstruction for th Pleistocene epoch. Below the pebble itself, with the graptolite visible on the right-hand side.

Silurian erratic boulder travelling from Thuringia to England
www.paleo.pan.pl/files/mate/i...
#geologia #paleontologia #paleontology #paleobiologia #paleobiology

4 months ago 14 2 0 0
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New open-access database catalogues 300 turtle specimens spanning 215 million years Information on nearly 300 turtle specimens living in Poland and Czechia from approximately 215 million years ago to the present has been compiled in a database created by scientists from the Institute...

Information on nearly 300 turtle specimens living in Poland and Czechia from approximately 215 million years ago to the present has been compiled in a database created by scientists from the @IPaleoPAN
scienceinpoland.pl/en/news/news...

4 months ago 2 0 0 0
Figure: Variability in temperature measured in different species of rudist bivalves (upper plot) and well preserved specimen of Vaccinites vesciculosus (lower photo). Coloured violin plots indicate the spread in the full dataset, while black symbols indicate monthly mean values. Grey horizontal lines show the highest and lowest monthly mean value, respectively, through the entire dataset.

Figure: Variability in temperature measured in different species of rudist bivalves (upper plot) and well preserved specimen of Vaccinites vesciculosus (lower photo). Coloured violin plots indicate the spread in the full dataset, while black symbols indicate monthly mean values. Grey horizontal lines show the highest and lowest monthly mean value, respectively, through the entire dataset.

Rudists: Extreme climate witnesses ☀️🌊🙂
cp.copernicus.org/articles/21/...
#geologia #paleontologia #paleontology #paleobiologia #paleobiology

4 months ago 1 0 0 0
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Miniseminar 🙂
1st December 2025 (Monday), 11:00 a.m., Adam T. Halamski, Ph.D., D. SC. give a seminar: ,,Mioceńska turzyca Rhizocaulon huberi - rekonstrukcja anatomii i zawikłany przypadek nomenklatury biologicznej.

4 months ago 1 0 0 0
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Crinoids with unusual morphology 😊
journals.ku.edu/treatiseonli...
#geologia #paleontologia #paleontology #paleobiologia #paleobiology

5 months ago 1 0 0 0
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Seminar 😊
24th November 2025 (Monday), 11:00 a.m., Jaelyn Eberle, PhD give a seminar: ,,Tiny fossil mammals from the Late Cretaceous of Alaska: Evidence for intercontinental dispersal and endemism in the High Arctic.''

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Polska Akademia Umiejętności to jedna z najbardziej prestiżowych instytucji naukowych w Polsce, której historia sięga 1872 roku, kiedy to powstała jako Akademia Umiejętności z inicjatywy grona wybitnych uczonych i zatwierdzona przez cesarza Franciszka Józefa. Po II wojnie światowej jej działalność została ograniczona, jednak w 1989 roku dokonano jej pełnej reaktywacji, co pozwoliło przywrócić jej dawną pozycję w środowisku akademickim. PAU jest nie tylko instytucją naukową, ale także strażnikiem polskiego dziedzictwa intelektualnego, m.in. jest właścicielem Fototeki Lanckorońskich oraz współwłaścicielem bezcennej Bibilioteki Polskiej w Paryżu. Jej misją jest rozwój nauki na najwyższym poziomie oraz popularyzacja wiedzy wśród szerokiego grona odbiorców. https://pau.krakow.pl/index.php/pl/struktura/wydzialy-i-komisje/wydzial-iv-przyrodniczy

Polska Akademia Umiejętności to jedna z najbardziej prestiżowych instytucji naukowych w Polsce, której historia sięga 1872 roku, kiedy to powstała jako Akademia Umiejętności z inicjatywy grona wybitnych uczonych i zatwierdzona przez cesarza Franciszka Józefa. Po II wojnie światowej jej działalność została ograniczona, jednak w 1989 roku dokonano jej pełnej reaktywacji, co pozwoliło przywrócić jej dawną pozycję w środowisku akademickim. PAU jest nie tylko instytucją naukową, ale także strażnikiem polskiego dziedzictwa intelektualnego, m.in. jest właścicielem Fototeki Lanckorońskich oraz współwłaścicielem bezcennej Bibilioteki Polskiej w Paryżu. Jej misją jest rozwój nauki na najwyższym poziomie oraz popularyzacja wiedzy wśród szerokiego grona odbiorców. https://pau.krakow.pl/index.php/pl/struktura/wydzialy-i-komisje/wydzial-iv-przyrodniczy

Z przyjemnością informujemy, że podczas Uroczystego Posiedzenia Naukowego Polskiej Akademii Umiejętności, które odbyło się 15 listopada, prof. Jarosław Stolarski, dyrektor Instytutu Paleobiologii PAN został uhonorowany godnością członka korespondenta Wydziału IV (Przyrodniczego).

5 months ago 1 0 0 0
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Miniseminar 🙂
17th November 2025 (Monday), 11:00 a.m., Agata Bonk, M. Sc. give a seminar: ,,Introduction to the fossil record of wood borers (Bivalvia).''

5 months ago 1 0 0 0
A taxonomic revision of the extinct genus Zittelia from Jurassic sediments made it possible to trace a gradual evolutionary change in shell morphology: from the earliest species with an oval shell and elevated spire to later ones with a more globular form, in which the spire scarcely rises above the last whorl. The morphology of the aperture indicates an affinity of Zittelia with representatives of the cowries (superfamily Cypraeoidea), whose earliest members likewise appeared in the Late Jurassic.

A taxonomic revision of the extinct genus Zittelia from Jurassic sediments made it possible to trace a gradual evolutionary change in shell morphology: from the earliest species with an oval shell and elevated spire to later ones with a more globular form, in which the spire scarcely rises above the last whorl. The morphology of the aperture indicates an affinity of Zittelia with representatives of the cowries (superfamily Cypraeoidea), whose earliest members likewise appeared in the Late Jurassic.

The direct ancestor of cowries 🐚😊
geojournals.pgi.gov.pl/asgp/article...
#geologia #paleontologia #paleontology #paleobiologia #paleobiology

5 months ago 3 0 0 0